US 12,439,821 B2
Light emitting device and fused polycyclic compound for light emitting device
Hyoyoung Lee, Suwon-si (KR); Soo-Byung Ko, Yongin-si (KR); Junha Park, Gwacheon-si (KR); Han Kyu Pak, Suwon-si (KR); Jang Yeol Baek, Yongin-si (KR); Mun-Ki Sim, Seoul (KR); and Chanseok Oh, Seoul (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Oct. 3, 2022, as Appl. No. 17/937,762.
Application 17/937,762 is a continuation in part of application No. 16/882,900, filed on May 26, 2020, granted, now 11,489,124.
Claims priority of application No. 10-2019-0082058 (KR), filed on Jul. 8, 2019.
Prior Publication US 2023/0130170 A1, Apr. 27, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 85/30 (2023.01); C07F 5/02 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/322 (2023.02) [C07F 5/027 (2013.01); H10K 50/11 (2023.02); H10K 85/631 (2023.02); H10K 85/636 (2023.02); H10K 85/6572 (2023.02); C07B 2200/05 (2013.01); H10K 2101/10 (2023.02); H10K 2101/27 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A light emitting device, comprising:
a first electrode;
a second electrode facing the first electrode; and
a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer among the plurality of organic layers comprises a fused polycyclic compound represented by Formula 1:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
M is B, Al, Ga, or In,
X1 and X2 are each independently NR1, O, S, P(═O)R2, or P(═S)R3,
R1 to R3 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 60 carbon atoms to form a ring, or a substituted or unsubstituted heteroaryl group of 2 to 60 carbon atoms to form a ring, and any of R1 to R3 are optionally combined with an adjacent group to form a ring,
Cy1 to Cy3 are each independently a substituted or unsubstituted aromatic hydrocarbon ring, or a substituted or unsubstituted aromatic heterocycle, and any of Cy1 to Cy3 are optionally combined with an adjacent group to form a ring, and
at least one among Cy1 to Cy3 is substituted with a substituent represented by Formula 2:

OG Complex Work Unit Chemistry
wherein, in Formula 2,
R4 and R5 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 60 carbon atoms to form a ring, or a substituted or unsubstituted heteroaryl group of 2 to 60 carbon atoms to form a ring, and any of R4 and R5 are optionally combined with an adjacent group to form a ring,
“n1” and “n2” are each independently an integer of 0 to 5,
at least one among R4 and R5 is a substituted or unsubstituted amine group, or a substituted or unsubstituted carbazole group,
if R4 is the substituted or unsubstituted amine group, or the substituted or unsubstituted carbazole group, n1 is an integer of 1 to 5,
if R5 is the substituted or unsubstituted amine group, or the substituted or unsubstituted carbazole group, n2 is an integer of 1 to 5,
Y is a direct linkage,
a is 0 or 1,
a sum of “a” and “n1” is an integer of 5 or less, and a sum of “a” and “n2” is an integer of 5 or less.